Alex is Sprintlaw’s co-founder and principal lawyer. Alex previously worked at a top-tier firm as a lawyer specialising in technology and media contracts, and founded a digital agency which he sold in 2015.
More applicants and employees are now disclosing ADHD (Attention Deficit Hyperactivity Disorder) at work, and that’s a good thing - it means you can support them to do their best work. But it also means there’s more room for mistakes that could amount to unlawful discrimination.
If you’re unsure what counts as ADHD discrimination under UK law, don’t stress. With the right understanding and a few practical processes, you can meet your legal duties and build a fair, productive workplace.
Below, we break down how the Equality Act 2010 applies, common ADHD discrimination examples in the UK from an employer’s perspective, and the steps you can take to stay compliant and avoid disputes.
Is ADHD A Disability Under UK Law?
In many cases, yes. Under the Equality Act 2010, a person has a disability if they have a physical or mental impairment that has a substantial and long-term adverse effect on their ability to carry out normal day-to-day activities.
ADHD can meet this test where symptoms (for example, inattention, impulsivity, executive function challenges, sensory sensitivity) have a substantial impact and have lasted or are likely to last at least 12 months. If ADHD is a disability in this sense, your business has specific duties - particularly the duty to make reasonable adjustments and to avoid discrimination and harassment.
Even if an employee hasn’t formally disclosed ADHD, you can still be liable if you “ought reasonably to have known” about the impairment based on the circumstances. If in doubt, start a constructive conversation and consider an occupational health assessment before taking decisions that might disadvantage the employee.
ADHD Discrimination Examples UK: What Employers Should Watch For
The Equality Act prohibits several types of discrimination, including direct discrimination, indirect discrimination, discrimination arising from disability, failure to make reasonable adjustments, harassment and victimisation. Here are realistic scenarios where ADHD discrimination risks often arise for SMEs.
Recruitment And Interviews
- Requiring fast-paced timed tests without offering alternatives (e.g. an untimed version or rest breaks) could be indirect discrimination if the test places candidates with ADHD at a particular disadvantage and you can’t justify it.
- Dismissing a strong CV because of a disclosure of ADHD or probing questions about medication side effects can amount to direct discrimination.
- Rigid application processes (e.g. online forms that time out or multi-tasking group interviews) with no reasonable adjustments option invite risk.
Onboarding, Probation And Role Design
- Refusing simple adjustments like written instructions, noise-reducing equipment, or a quiet space for focus during probation may be a failure to make reasonable adjustments.
- Setting vague expectations, then criticising “poor organisation” without clear objectives or support can lead to disputes, particularly if a capability process follows without adjustments.
Performance Management And Targets
- Launching formal action for missed deadlines when symptoms are known, but not exploring adjustments (e.g. task prioritisation tools, structured check-ins, flexible hours) is a common failure to make reasonable adjustments.
- Using rigid productivity metrics or monitoring tools that penalise focus breaks or time-blocking can indirectly disadvantage someone with ADHD unless justified and adapted.
- Issuing a final written warning immediately after a disclosure - without time to assess and implement adjustments - risks “discrimination arising from disability.”
Absence, Timekeeping And Conduct
- Triggering absence processes or docking pay for therapy, ADHD coaching or medication reviews can be unlawful if you don’t consider adjustments or alternative arrangements.
- Penalising short-notice flexibility requests (e.g. adjusting start times due to medication side effects) without considering reasonable adjustments can be discriminatory.
- Treating concentration struggles as wilful misconduct, then moving straight to disciplinary action without support or a capability path can create risk. If concerns escalate, ensure any workplace investigations and outcomes consider the impact of ADHD.
Harassment And Culture
- Jokes or comments about being “scatterbrained,” “lazy” or “on meds” can create a hostile environment and amount to harassment related to disability.
- Managers publicly criticising “disorganisation” when they know about ADHD - instead of addressing it privately with supportive adjustments - may also constitute harassment.
Dismissal Decisions
- Dismissing for “poor performance” where adjustments were never considered or trialled is a classic discrimination risk and may be unfair dismissal too.
- Ending employment during probation immediately after disclosure can look like direct discrimination. If dismissal is contemplated, follow a fair process and review your options for ending an employment contract lawfully.
Your Legal Duties: The Equality Act, Data Protection And Process
Complying with the Equality Act 2010 doesn’t have to be complicated - but you do need a clear, consistent approach.
Reasonable Adjustments
You must take reasonable steps to remove substantial disadvantages that your policies, practices or physical features create for a disabled employee. What’s “reasonable” depends on your size and resources, the impact of the adjustment and operational feasibility.
Common ADHD adjustments include:
- Flexible start times or hybrid work to align with medication routines or optimal focus periods.
- Quiet workspace, noise-cancelling headphones, or screen privacy filters to reduce sensory load.
- Clear written instructions, task lists and deadlines, with shorter check-in cycles and prioritisation help.
- Adjusted performance metrics (e.g. emphasis on outputs over presenteeism) and reasonable deadlines.
- Access to coaching, assistive technology or extra training where appropriate.
Document the conversation, agree trial periods, and review what’s working. This “interactive process” is critical evidence if your decisions are challenged.
Types Of Discrimination To Avoid
- Direct discrimination: treating someone less favourably because of disability (including ADHD).
- Indirect discrimination: a neutral policy (e.g. strict time-tracking rules) which puts people with ADHD at a particular disadvantage and isn’t justified.
- Discrimination arising from disability: unfavourable treatment because of something arising from ADHD (e.g. timekeeping) where you can’t show justification and didn’t make adjustments.
- Failure to make reasonable adjustments.
- Harassment and victimisation.
Confidentiality And Health Information
ADHD-related data can be “special category” health information under the UK GDPR and Data Protection Act 2018. You should collect the minimum information needed, keep it confidential, restrict access, and use it only for supporting the employee or managing the employment relationship.
Employees may ask what they must share. It’s sensible to have a clear approach grounded in privacy law and support. For more on this topic, see our guidance on medical information and your obligations as an employer.
How To Handle ADHD Issues Fairly: A Simple Employer Playbook
Here’s a practical sequence that works well for small businesses and aligns with UK law.
1) Create A Safe Environment For Disclosure
- Add an adjustments question to your recruitment and onboarding forms.
- Train managers to respond supportively and route requests to HR or a senior decision-maker.
- Include a short, plain-language adjustments section in your Staff Handbook and link to a simple process for making requests.
2) Start The Conversation And Assess Adjustments
- Meet with the employee to understand barriers and brainstorm options together.
- Consider occupational health input for practical recommendations.
- Agree trial adjustments, set review dates and record decisions. If you can’t implement something, explain why and offer alternatives.
3) Set Clear Expectations And Support
- Confirm responsibilities, priorities and timeframes in writing (e.g. weekly goals and check-ins).
- Update role descriptions and, where relevant, reflect reasonable adjustments in the Employment Contract and internal procedures.
- Keep performance frameworks objective and focused on outputs rather than strict presenteeism.
4) Manage Performance Or Conduct Carefully
- If performance concerns persist, consider a supportive plan first. Follow best practice for Performance Improvement Plans and make sure adjustments are part of the plan.
- Where conduct issues arise, run proportionate and fair workplace investigations and consider whether ADHD is relevant before deciding on outcomes.
- Escalation should be gradual and fair. Keep discrimination risks in mind at each stage and document your reasoning.
5) Keep Privacy Front And Centre
- Limit access to medical information and store it securely.
- Share details with managers only on a “need-to-know” basis - typically focusing on adjustments, not diagnoses.
- Have a clear policy explaining how you handle health data and confidentiality.
Common Pitfalls (And How To Avoid Them)
Small employers often slip up in predictable ways. Here’s what to watch for - and the simple fix.
- No adjustments process: If you don’t have a route for requests, nothing happens. Fix it by setting out a short process in a Workplace Policy and your Staff Handbook, and training managers to use it.
- Jumping straight to discipline: Skipping adjustments and moving to warnings can be discrimination. Build in support steps and, if needed, use a structured capability path before any final written warning.
- Rigid rules with no flexibility: Blanket policies on timekeeping, break monitoring or single “hot-desking” environments can indirectly disadvantage ADHD. Keep a justification ready and allow exceptions where reasonable.
- Poor documentation: Tribunals look for evidence of your reasoning. Keep notes of meetings, adjustment trials and outcomes. If things progress, align your steps with a fair process for ending an employment contract.
- Inconsistent management: One manager is supportive, another is not. Create consistent standards through simple policies, checklists and refresher training.
Practical ADHD-Friendly Adjustments For SMEs
Not sure what “reasonable” looks like in practice? Here are simple, low-cost adjustments many small businesses can implement quickly.
- Work planning: Weekly priority list, short daily check-ins, and “do-not-disturb” focus blocks in calendars.
- Environment: Quiet corner options, noise-cancelling headphones, or permission to work from a calm space for focus-heavy tasks.
- Communication: Follow meetings with bullet-point summaries; agree preferred channels; use task boards or project tools.
- Scheduling: Flexi-time around medication or therapy; reasonable notice for switching tasks; avoid last-minute, multi-task heavy demands where possible.
- Tools: Task timers, prompts, calendar nudges, and access to ADHD-friendly apps or browser blockers.
- Performance: Outcome-based goals and realistic deadlines; phased ramp-up of responsibilities; fewer, higher-impact KPIs.
The best adjustments are specific to the person and their role. Trial, review and iterate.
Policies And Documents To Put In Place
Clear, accessible documents help your team know what to do and keep your processes consistent.
- Employment Contract terms covering working hours, flexibility, confidentiality and data protection, aligned to your adjustment practices - keep these current with a robust Employment Contract.
- Staff Handbook with a short, practical adjustments process, manager responsibilities and routes for concerns - a well-structured Staff Handbook makes a big difference.
- Equality, Absence and Performance Policies explaining how you’ll consider adjustments before any formal action - a tailored Workplace Policy suite keeps everyone on the same page.
- Performance improvement framework that integrates adjustments from the start; when needed, use fair, well-documented Performance Improvement Plans.
- Investigation and disciplinary procedures to ensure capacity and context are assessed before sanctions during any workplace investigations.
Frequently Asked Questions From Employers
Do We Have To Grant Every Adjustment Requested?
No. You must consider reasonable adjustments - what’s reasonable depends on cost, practicality, and your size. If something isn’t feasible, explain why and propose alternatives. Document your decision-making.
What If Performance Remains Below Standard After Adjustments?
You can address capability fairly. Ensure you’ve identified and trialled sensible adjustments, then use a supportive plan with clear goals and timeframes. If improvement doesn’t follow, you can progress formal steps in line with your policies, which may ultimately include ending an employment contract, provided the process is fair and non-discriminatory.
Can We Ask For Medical Evidence?
Yes, proportionately. You can request enough information to understand functional impact and adjustments (often via occupational health). Keep data to the minimum necessary and store it securely in line with data protection laws.
Is ADHD Misconduct Or Capability?
Usually capability. ADHD symptoms affecting timekeeping, focus or organisation typically call for support and adjustments first. If issues persist, manage through capability routes. Only treat as misconduct when behaviour is wilful and unreasonable in context, and even then consider whether ADHD is relevant before deciding outcomes.
Key Takeaways
- ADHD can be a disability under the Equality Act 2010. Your core duties are to avoid discrimination and to make reasonable adjustments where someone is substantially disadvantaged.
- Common risk areas include recruitment tests, rigid performance metrics, absence triggers and quick disciplinary steps without first exploring adjustments.
- Run an interactive process: discuss barriers, agree trial adjustments, review and document your reasoning. Keep health data confidential and proportionate.
- Integrate adjustments into your documentation and processes - use an up-to-date Employment Contract, practical Staff Handbook and a clear Workplace Policy suite.
- If performance issues remain, follow fair capability steps, use evidence-based Performance Improvement Plans, and ensure any workplace investigations or disciplinary action factor in adjustments and proportionality.
- Early, supportive conversations and consistent processes are the best protection against discrimination claims and help your team do their best work.
If you’d like tailored help setting up adjustments processes, policies or managing a tricky case, you can reach us at 08081347754 or team@sprintlaw.co.uk for a free, no-obligations chat.


